A Theoretical Repobook for Understanding core concepts of Data Structures using C Programming Language
Backstory:
Vision:
This repository is designed to be the ultimate, all-in-one resource for mastering Data Structures using C. It combines:
Whether you are a student, self-learner, or educator, this repo aims to make learning and teaching Data Structures in C practical, accessible, and exam-ready.
Key Features:
Tip: Use the Table of Contents below to jump to any section instantly!
Topic | Details |
---|---|
Unit I: Introduction | Data Structures Classifications (Primitive & Non Primitive) Data structure Operations Review of Arrays Structures, Self-Referential Structures, and Unions |
Unit I: Pointers and Dynamic Memory Allocation Functions | Representation of Linear Arrays in Memory Dynamically allocated arrays Multidimensional Arrays Polynomials and Sparse Matrices |
Unit I: Strings | Basic Terminology Storing Operations and Pattern Matching algorithms |
Unit I: Sorting and Searching | Insertion Sort Radix sort Address Calculation C Programming Examples Sort |
Unit II: Stacks and Queues | Definition Stack Operations Array Representation of Stacks Stacks using Dynamic Arrays |
Unit II: Stack Applications | Polish notation Infix to postfix conversion Evaluation of postfix expression |
Unit II: Recursion | Factorial GCD Fibonacci Sequence Tower of Hanoi Ackerman’s function |
Unit II: Queues | Definition Array Representation Queue Operations Circular Queues Circular queues using Dynamic arrays Dequeues Priority Queues A Mazing Problem |
Unit III: Linked Lists | Definition Representation of linked lists in Memory Memory allocation Garbage Collection Linked list operations: Traversing, Searching, Insertion, and Deletion Doubly Linked lists Circular linked lists Header linked lists Linked Stacks and Queues Applications of Linked lists – Polynomials, Sparse matrix representation |
Unit III: Hashing | Hash Table organizations Hashing Functions Static and Dynamic Hashing |
Unit IV: Trees | Terminology Binary Trees Properties of Binary trees Array and linked Representation of Binary Trees Binary Tree Traversals: Inorder, Postorder, Preorder Additional Binary tree operations Threaded binary trees Binary Search Trees – Definition, Insertion, Deletion, Traversal, Searching Application of Trees-Evaluation of Expression |
Unit V: Graphs | Definitions Terminologies Types of Graphs Matrix and Adjacency List Representation Of Graphs Elementary Graph operations |
Unit V: Minimal Spanning Tree | Prim’s algorithm Kruskal’s Algorithm |
Unit V: Traversal methods | Breadth First Search Depth First Search |
Unit V: Applications of Graph | Applications of Graph |
Unit V: Files and Their Organization | Data Hierarchy File Attributes Text Files and Binary Files Basic File Operations File Organizations and Indexing |
📚 See also: Curriculum to Notes Mapping (Unified Table) for direct links to notes and resources for each topic.
💻 See also: Lab Program Aims to Code Mapping for direct links to C code for each lab aim.
📝 See also: Curriculum to Notes Mapping (Unified Table) for a topic-wise mapping to notes and resources.
This table maps each curriculum topic and subtopic from the README to the most relevant notes, PDFs, or documents in this repository. Each topic is linked to the best available resource(s) for easy reference.
Topic | Resource |
---|---|
__Unit I__ | |
__Introduction__ | |
Data Structures, Classifications, Operations | 1.Unit_1-Introduction.pdf — Overview |
Structures, Self-Referential Structures, Unions | I Structures Notes.docx — Details I Self Referential Structures.pdf |
Comprehensive Notes | I Notes.pdf |
__Pointers and Dynamic Memory Allocation__ | |
Pointers, Dynamic Memory, Arrays | 2.Unit_1-Pointers _ Dynamic memory alloction.pdf |
Additional Notes | I_II Missing Concepts.pdf |
__Strings__ | |
Pattern Matching, String Operations | 3.Unit_1-Pattern Matching Algorithms.pdf |
In-depth Pattern Matching | PatternMatching.pdf |
__Sorting and Searching__ | |
Searching and Sorting Algorithms | 4.Unit_1-Searching _ Sorting.pdf |
Radix Sort | 5.Radix Sort.pdf |
Reference Algorithms | 2.Intoduction to Algorithm - Cormen.pdf |
__Unit II__ | |
__Stacks and Queues__ | |
Stack Operations, Array/Dynamic Representation | 6.Unit_2-Stacks.pdf |
Stacks, Queues, Applications | II Stacks and Queues Notes.pdf |
Queue Operations and Types | 8.Queue.pdf |
__Stack Applications__ | |
Polish Notation, Infix/Postfix, Evaluation | 6.Unit_2-Stacks.pdf |
__Recursion__ | |
Recursion, Classic Problems | 7.Unit_2-Recurssion.pdf |
__Queues (continued)__ | |
Circular Queues, Dequeue, Priority Queues, Mazing Problem | 8.Queue.pdf |
__Unit III__ | |
__Linked Lists__ | |
Linked List Types, Operations, Memory Management | III Notes Linked Lists.pdf |
Additional Notes | I_II Missing Concepts.pdf |
__Doubly, Circular, and Header Linked Lists__ | |
All Types | III Notes Linked Lists.pdf |
__Linked Stacks and Queues, Applications__ | |
Applications | III Notes Linked Lists.pdf |
__Hashing__ | |
Hash Tables, Functions, Static/Dynamic Hashing | III Hashing.pdf |
__Unit IV__ | |
__Trees__ | |
Binary Trees, Properties, Traversals, Operations | IV Notes Tree.pdf |
Tree Algorithms and Applications | IV Agorithms.pdf |
__Binary Search Trees, Threaded Trees, Expression Evaluation__ | |
BST, Threaded Trees, Expression Evaluation | IV Notes Tree.pdf |
__Unit V__ | |
__Graphs__ | |
Graph Definitions, Types, Representations, Operations | V 1.Notes_1.pdf |
Additional Graph Notes | V 1.Notes_2.docx |
__Minimal Spanning Tree, Traversal Methods, Applications__ | |
MST, Traversal, Applications | V 1.Notes_1.pdf |
__Files and Their Organization__ | |
File Organization and Operations | I Notes.pdf |
__Syllabus, Question Banks, Assignments, and Internals__ | |
__Syllabus__ | |
Official Syllabus | Data Structures Using C Theory & Lab Syllabus.pdf |
__Question Banks__ | |
Units I & II | I_II QB.pdf |
Units III & IV | III, IV QB_LINKEDLISTS_TREES.pdf |
__Assignments__ | |
Sample Assignment | 5.I Assignment.docx |
__Internal Assessment Solutions__ | |
IA-I Solution 1 | 0.IA-I Soln_1.docx |
IA-I Solution 2 | 0.IA-I Soln_2.docx |
IA-II Solution | 0.IA-II Soln.docx |
IA-III Solution | 0.IA-III Soln.docx |
For more detailed lab experiment notes, see the Data Structures using C Lab Notes folder.
This table maps each lab program aim from the curriculum to the corresponding C code file(s) in this repository. Each code file is linked for easy access.
Lab Aim | Code File(s) |
---|---|
__Lab 1: Demonstrating Pointers Usage__ | |
Printing Memory Addresses | PointersMemoryAddresses.c |
Writing a Swap Function | PointersSwap.c |
Allocating and Freeing Memory | PointersAllocationFreeing.c |
Memory Leaks and Other Problems | PointersMemoryLeaks.c |
__Lab 2: Strings, User Defined Data Types, and Files__ | |
Reading and Writing Strings | StringOperationsLibraryFunctions.c |
String Operations / Manipulations (User Defined) | StringOperationsUserDefinedFunctions.c |
Enumerations, Structures | UsingStructure.c |
Union Data Types | UsingUnion.c |
File Operations | FileOperations.c |
__Lab 3: Recursion__ | |
Recursion (Sum, Factorial, Fibonacci, etc.) | RecursiveFunstionsOfClassicProblems.c |
__Lab 4: Stack ADT (Arrays)__ | |
Stack Operations using Arrays | StackADT.c |
__Lab 5: Queue ADT (Arrays)__ | |
Queue Operations using Arrays | QueueADT.c |
__Lab 6: Singly Linked List ADT__ | |
Create, Insert, Delete, Display (Singly Linked List) | SinglyLinkedListADT.c |
__Lab 7: Doubly Linked List ADT__ | |
Create, Insert, Delete, Display (Doubly Linked List) | DoublyLinkedListADT.c |
__Lab 8: Circular Linked List ADT__ | |
Create, Insert, Delete, Display (Circular Linked List) | CircularLinkedListADT.c |
__Lab 9: Implement Stack using List__ | |
Stack using Linked List | StackUsingList .c |
__Lab 10: Implement Queue using List__ | |
Queue using Linked List | QueueUsingList.c |
__Lab 11: Implement Binary Search Tree using List__ | |
Binary Search Tree using List | BinarySearchTreeUsingList.c |
__Lab 12a: Implement a Simple Heap__ | |
Simple Heap | SimpleHeap.c |
__Lab 12b: Implement Priority Queue using Heap__ | |
Priority Queue using Heap | PriorityQueueUsingHeap.c |
We welcome contributions to make this resource even better!
Steps to contribute:
For major changes, please open an issue first to discuss what you would like to change.
Q: How do I compile and run the C programs?
A: Use a C compiler like GCC. Example: gcc filename.c -o output && ./output
Q: Can I use these notes and code for my university assignments? A: Yes! This repo is designed for learning and academic use. Please cite or reference if required by your institution.
Q: I found a mistake or have a suggestion. What should I do? A: Open an issue or submit a pull request. See How to Contribute.
Q: Are there solutions to all lab programs? A: Yes, all standard lab programs are covered with code and notes.
Version | Date | Commit Changes |
---|---|---|
v3.0 | Jun 21, 2025 | Major README overhaul, curriculum/code/notes mapping, TOC, contribution guide, added unified tables, improved linking |
v2.0 | Jan 8, 2022 | Resource Addition: DS using C Lab & Notes & Documentation Update |
v1.0 | Dec 29, 2021 | Initial compilation of notes and code |